Home / 136,443.07-188,286.69-76,010.59

Finding the Fourth Proportional to 136,443.07, 188,286.69 and 76,010.59

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Solution

The fourth proportional to 136,443.07, 188,286.69 and 76,010.59 is: 104,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,443.07 : 188,286.69 = 76,010.59 : x
  2. Step 2: Convert to fraction form
    136,443.07/188,286.69 = 76,010.59/x
  3. Step 3: Cross multiply
    136,443.07x = 188,286.69 × 76,010.59
  4. Step 4: Simplify right side
    136,443.07x = 14,311,782,396.05
  5. Step 5: Solve for x
    x = 14,311,782,396.05/136,443.07
  6. Step 6: Final answer
    x = 104,891.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.